Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835064 | Light hardening device and method for hardening a polymerizable mass for dental applications | Peter Burtscher, Wolfgang Plank | 2004-12-28 |
| 6821117 | Light hardening apparatus for effecting the light hardening of dental restoration pieces | Peter Burtscher, Wolfgang Plank | 2004-11-23 |
| 6767109 | Light hardening device and a light source suitable for use in a light hardening device | Wolfgang Plank, Thomas Stahl | 2004-07-27 |